88 CECIDOMYZID.E. 



Fern. Pale testaceous. Head and antennae blackish. Wings slightly 

 greyish; veins brown. Legs whitish testaceous, slender; tarsi brownish. 

 Not common. (E.) 



34. tecta, n. Foem. testacea, capite antennisque nigris, his cor- 

 pore multo brevioribus, articulis cylindricis, alis latis cinereis, venis ni- 

 gris, abdomine piceo, pedibus validis. Long. 1 ; alar. 2 lin. 



Fern. Testaceous. Head and antennae black. Antennae eleven- 

 jointed, verticillate- pilose, testaceous at the base, much shorter than 

 the body ; joints double, nearly cylindrical, about twice the length of 

 their petioles. Wings broad, grey, pubescent, ciliated all round the 

 border ; veins black ; subcostal vein little more than one-third of the 

 length of the wing ; cubital hardly curved ; subanal very distinct ; first 

 branch of the anal slight, apparently united with the subanal ; second 

 branch curved very abruptly and hardly obliquely to the hind border. 

 Abdomen piceous. Legs stout, pubescent, not long. 



Rare. (E.) 



35. Ulmarise, Bremi, Denskschr. Schw. Ges. Naturw. 52. 9 (1847); 

 Hardy ; Loew ; Whin. Fusco-flava, capite flavo, vertice nigricante, an- 

 tennis fuscis 16-articulatis basi flavis, thorace vittis tribus nigro-fmcis, 

 alis subfuscescentibus, venis pilis margineque nigricantibus, halteribus 

 fiavescentibus capitulo fusco, abdomine rufo-flavo fasciis nigro-pilosis, 

 pedibus nigro-fuscis subtus albicantibus. Long. -| | ; alar, f-li lin. 



Brownish-yellow. Head yellow ; vertex blackish. Antennae brown, 

 with sixteen joints, yellow at the base. Thorax with three blackish- 

 brown stripes. Wings slightly brown, with the veins, hairs, and borders 

 blackish ; transverse veinlet very pale, indistinct, joining the middle of 

 the subcostal vein ; cubital vein somewhat bent forward at its junction 

 with the veinlet, slightly convex in front nearer its tip, joining the costa 

 far from the tip of the wing ; second branch of the anal vein curved to 

 the hind border. Halteres yellowish, with brown knobs. Abdomen 

 tawny, with bands of black hairs. Legs blackish-brown, whitish be- 

 neath. Male. Antennae as long as the body ; joints as long as their 

 petioles, rather longer towards the base. Fern. Antennae half the length 

 of the body; joints with very short but distinct petioles. Oviduct 

 whitish-yellow, elongated, without valves ; first segment tawny. 



Lives in wart-like galls on the leaves of Spiraa Ulmaria. The 

 fly appears in the middle of August. (E. S.) 



36. basalis, n. Foem. ferruginea, capite nigro, antennis testaceis 

 apice fuscescentibus, alis subfuscescentibus, halteribus pedibusque pallide 

 testaceis, abdomine testaceo basi nigro. Long. ; alar. 1 lin. 



Fern. Ferruginous. Head black. Antennae testaceous, submonili- 

 form, brownish towards the tips; joints slightly petiolated. Wings 

 very slightly brownish ; veins pale. Halteres pale testaceous. Abdo- 

 men testaceous, black towards the base. Legs pale testaceous. 



Not common. (E.) 



